Select the incorrect statement?

Related Mcqs:

1. Select the incorrect statement?

   A. Start float and finish float are always equal
   B. Total float can be either start float or finish float
   C. Start float and finish float need not be equal
   D. Start float and finish float are the differences between activity times and not event times

2. Select the incorrect statement?

   A. A critical path always begins at the very first event
   B. A critical path always terminates at the last event
   C. Critical activities control the project duration
   D. Critical activity is the one for which free float is zero

3. Select the correct statement?

   A. Activity arrows in a CPM network are drawn to scale
   B. The tail of an arrow represents the finish of an activity
   C. Arrow bead represents the start of an activity
   D. none of the above

4. If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?

   A. expected time of activity A is greater than the expected time of activity B
   B. expected time of activity B is greater than the expected time of activity A
   C. expected time of both activities A and B are same
   D. none of the above

5. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?

   A. total float
   B. free float
   C. interfering float
   D. independent float

6. If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is_________________?

   A. 500 cum
   B. 1000 cum
   C. 1500 cum
   D. 2000 cum

7. The correct sequence of these operations in tunnel construction is______________?

   Consider the following operations :
   1. Drilling
   2. Blasting
   3. Mucking
   4. Placing steel
   5. Placing concrete

   A. 1,2,4,3,5
   B. 1,3,2,4,5
   C. 1,2,3,4,5
   D. 1,3,4,2,5

8. In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having________________?

   A. longest duration
   B. highest cost slope
   C. least cost slope
   D. shortest duration

9. At a work site, statistical quality control of concrete means________________?

   A. measurement of risks to eliminate failures
   B. applying the theory’ of probability to sample testing or inspection
   C. reduction in wastage of inspection costs
   D. reduction in costs for the removal of defects

10. What estimate would you give for the variance in above problem ?

    A. 81
    B. 54
    C. 36
    D. 9